// arrays/CountUpward.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.

import java.util.stream.LongStream;

import static onjava.ArrayShow.show;

public class CountUpward {
    static long[] fillCounted(int size) {
        return LongStream.iterate(0, i -> i + 1)
                .limit(size).toArray();
    }

    public static void main(String[] args) {
        long[] l1 = fillCounted(20); // No problem
        show(l1);
        // On my machine, this runs out of heap space:
        //- long[] l2 = fillCounted(10_000_000);
    }
}
/* Output:
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19]
*/
